* i960.h (F_I960HX): Define.
authorIan Lance Taylor <ian@airs.com>
Mon, 5 Feb 1996 23:35:09 +0000 (23:35 +0000)
committerIan Lance Taylor <ian@airs.com>
Mon, 5 Feb 1996 23:35:09 +0000 (23:35 +0000)
include/coff/ChangeLog
include/coff/i960.h [new file with mode: 0644]

index 00233fd..f2766fa 100644 (file)
@@ -1,3 +1,7 @@
+Mon Feb  5 18:35:00 1996  Ian Lance Taylor  <ian@cygnus.com>
+
+       * i960.h (F_I960HX): Define.
+
 Wed Jan 31 13:11:54 1996  Richard Henderson  <rth@tamu.edu>
 
        * aux.h: New file.
diff --git a/include/coff/i960.h b/include/coff/i960.h
new file mode 100644 (file)
index 0000000..f941be0
--- /dev/null
@@ -0,0 +1,253 @@
+/*** coff information for 80960.  Origins: Intel corp, natch. */
+
+/* NOTE: Tagentries (cf TAGBITS) are no longer used by the 960 */
+
+/********************** FILE HEADER **********************/
+
+struct external_filehdr {
+       char f_magic[2];        /* magic number                 */
+       char f_nscns[2];        /* number of sections           */
+       char f_timdat[4];       /* time & date stamp            */
+       char f_symptr[4];       /* file pointer to symtab       */
+       char f_nsyms[4];        /* number of symtab entries     */
+       char f_opthdr[2];       /* sizeof(optional hdr)         */
+       char f_flags[2];        /* flags                        */
+};
+
+#define OMAGIC      (0407)     /* old impure format. data immediately
+                                   follows text. both sections are rw. */
+#define NMAGIC      (0410)     /* split i&d, read-only text */
+
+/*
+*      Intel 80960 (I960) processor flags.
+*      F_I960TYPE == mask for processor type field. 
+*/
+
+#define        F_I960TYPE      (0xf000)
+#define        F_I960CORE      (0x1000)
+#define        F_I960KB        (0x2000)
+#define        F_I960SB        (0x2000)
+#define        F_I960MC        (0x3000)
+#define        F_I960XA        (0x4000)
+#define        F_I960CA        (0x5000)
+#define        F_I960KA        (0x6000)
+#define        F_I960SA        (0x6000)
+/* start-sanitize-i960xl */
+#define F_I960XL       (0x7000)
+/* end-sanitize-i960xl */
+#define F_I960HX       (0x8000)
+
+
+/** i80960 Magic Numbers
+*/
+
+#define I960ROMAGIC    (0x160) /* read-only text segments */
+#define I960RWMAGIC    (0x161) /* read-write text segments */
+
+#define I960BADMAG(x) (((x).f_magic!=I960ROMAGIC) && ((x).f_magic!=I960RWMAGIC))
+
+#define        FILHDR  struct external_filehdr
+#define        FILHSZ  20
+
+/********************** AOUT "OPTIONAL HEADER" **********************/
+
+typedef struct {
+       unsigned long   phys_addr;
+       unsigned long   bitarray;
+} TAGBITS;
+
+
+
+typedef struct 
+{
+  char         magic[2];               /* type of file                         */
+  char vstamp[2];              /* version stamp                        */
+  char tsize[4];               /* text size in bytes, padded to FW bdry*/
+  char dsize[4];               /* initialized data "  "                */
+  char bsize[4];               /* uninitialized data "   "             */
+  char entry[4];               /* entry pt.                            */
+  char         text_start[4];          /* base of text used for this file */
+  char         data_start[4];          /* base of data used for this file */
+  char tagentries[4];          /* number of tag entries to follow */
+}
+AOUTHDR;
+
+/* return a pointer to the tag bits array */
+
+#define TAGPTR(aout) ((TAGBITS *) (&(aout.tagentries)+1))
+
+/* compute size of a header */
+
+/*#define AOUTSZ(aout) (sizeof(AOUTHDR)+(aout.tagentries*sizeof(TAGBITS)))*/
+#define AOUTSZ (sizeof(AOUTHDR))
+
+
+
+/********************** SECTION HEADER **********************/
+
+
+struct external_scnhdr {
+       char            s_name[8];      /* section name                 */
+       char            s_paddr[4];     /* physical address, aliased s_nlib */
+       char            s_vaddr[4];     /* virtual address              */
+       char            s_size[4];      /* section size                 */
+       char            s_scnptr[4];    /* file ptr to raw data for section */
+       char            s_relptr[4];    /* file ptr to relocation       */
+       char            s_lnnoptr[4];   /* file ptr to line numbers     */
+       char            s_nreloc[2];    /* number of relocation entries */
+       char            s_nlnno[2];     /* number of line number entries*/
+       char            s_flags[4];     /* flags                        */
+       char            s_align[4];     /* section alignment            */
+};
+
+
+#define        SCNHDR  struct external_scnhdr
+#define        SCNHSZ  sizeof(SCNHDR)
+
+/*
+ * names of "special" sections
+ */
+#define _TEXT   ".text"
+#define _DATA   ".data"
+#define _BSS    ".bss"
+
+/********************** LINE NUMBERS **********************/
+
+/* 1 line number entry for every "breakpointable" source line in a section.
+ * Line numbers are grouped on a per function basis; first entry in a function
+ * grouping will have l_lnno = 0 and in place of physical address will be the
+ * symbol table index of the function name.
+ */
+struct external_lineno {
+       union {
+               char l_symndx[4];       /* function name symbol index, iff l_lnno == 0*/
+               char l_paddr[4];        /* (physical) address of line number    */
+       } l_addr;
+       char l_lnno[2];         /* line number          */
+       char padding[2];        /* force alignment      */
+};
+
+
+#define        LINENO  struct external_lineno
+#define        LINESZ  8
+
+
+/********************** SYMBOLS **********************/
+
+#define E_SYMNMLEN     8       /* # characters in a symbol name        */
+#define E_FILNMLEN     14      /* # characters in a file name          */
+#define E_DIMNUM       4       /* # array dimensions in auxiliary entry */
+
+struct external_syment 
+{
+  union {
+    char e_name[E_SYMNMLEN];
+    struct {
+      char e_zeroes[4];
+      char e_offset[4];
+    } e;
+  } e;
+  char e_value[4];
+  char e_scnum[2];
+  char e_flags[2];
+  char e_type[4];
+  char e_sclass[1];
+  char e_numaux[1];
+  char pad2[2];
+};
+
+
+
+
+#define N_BTMASK       (0x1f)
+#define N_TMASK                (0x60)
+#define N_BTSHFT       (5)
+#define N_TSHIFT       (2)
+  
+union external_auxent {
+       struct {
+               char x_tagndx[4];       /* str, un, or enum tag indx */
+               union {
+                       struct {
+                           char  x_lnno[2]; /* declaration line number */
+                           char  x_size[2]; /* str/union/array size */
+                       } x_lnsz;
+                       char x_fsize[4];        /* size of function */
+               } x_misc;
+               union {
+                       struct {                /* if ISFCN, tag, or .bb */
+                           char x_lnnoptr[4];  /* ptr to fcn line # */
+                           char x_endndx[4];   /* entry ndx past block end */
+                       } x_fcn;
+                       struct {                /* if ISARY, up to 4 dimen. */
+                           char x_dimen[E_DIMNUM][2];
+                       } x_ary;
+               } x_fcnary;
+               char x_tvndx[2];                /* tv index */
+       } x_sym;
+
+       union {
+               char x_fname[E_FILNMLEN];
+               struct {
+                       char x_zeroes[4];
+                       char x_offset[4];
+               } x_n;
+       } x_file;
+
+       struct {
+               char x_scnlen[4];                       /* section length */
+               char x_nreloc[2];       /* # relocation entries */
+               char x_nlinno[2];       /* # line numbers */
+       } x_scn;
+
+        struct {
+               char x_tvfill[4];       /* tv fill value */
+               char x_tvlen[2];        /* length of .tv */
+               char x_tvran[2][2];     /* tv range */
+       } x_tv;         /* info about .tv section (in auxent of symbol .tv)) */
+
+       /******************************************
+        *  I960-specific *2nd* aux. entry formats
+        ******************************************/
+       struct {
+         /* This is a very old typo that keeps getting propagated. */
+#define x_stdindx x_stindx
+               char x_stindx[4];       /* sys. table entry */
+       } x_sc; /* system call entry */
+
+       struct {
+               char x_balntry[4]; /* BAL entry point */
+       } x_bal; /* BAL-callable function */
+
+        struct {
+               char x_timestamp[4];            /* time stamp */
+               char    x_idstring[20];         /* producer identity string */
+       } x_ident;                              /* Producer ident info */
+
+};
+
+
+
+#define        SYMENT  struct external_syment
+#define        SYMESZ  sizeof(SYMENT)                  /* FIXME - calc by hand */
+#define        AUXENT  union external_auxent
+#define        AUXESZ  sizeof(AUXENT)                  /* FIXME - calc by hand */
+
+#      define _ETEXT   "_etext"
+
+/********************** RELOCATION DIRECTIVES **********************/
+
+struct external_reloc {
+  char r_vaddr[4];
+  char r_symndx[4];
+  char r_type[2];
+  char pad[2];
+};
+
+
+/* Relevent values for r_type and i960.  Would someone please document them */
+
+
+#define RELOC struct external_reloc
+#define RELSZ 12
+